CVE-2017-15349 : Exploit Details and Defense Strategies
Learn about CVE-2017-15349 affecting Huawei CloudEngine 12800, 5800, 6800, and 7800 switches. Discover the impact, affected systems, exploitation method, and mitigation steps.
Huawei CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, and CloudEngine 7800 devices are affected by a memory leak vulnerability that can be exploited by unauthenticated attackers to cause a denial-of-service (DoS) condition.
Understanding CVE-2017-15349
This CVE identifies a vulnerability in various versions of Huawei CloudEngine switches that could lead to a memory leak and subsequent DoS attack.
What is CVE-2017-15349?
The vulnerability in Huawei CloudEngine switches allows unauthenticated attackers to trigger a memory leak by sending specific RSVP packets, potentially resulting in a DoS condition.
The Impact of CVE-2017-15349
Exploiting this vulnerability can lead to a denial-of-service (DoS) condition as the affected products fail to release the memory used to handle malicious packets.
Technical Details of CVE-2017-15349
Huawei CloudEngine switches are susceptible to a memory leak vulnerability that can be exploited by sending specific RSVP packets.
Vulnerability Description
The vulnerability allows unauthenticated attackers to cause a memory leak by sending specific RSVP packets to the affected CloudEngine switches.
Affected Systems and Versions
- Affected Products: CloudEngine 12800, CloudEngine 5800, CloudEngine 6800, CloudEngine 7800
- Vulnerable Versions: V100R003C00, V100R005C00, V100R005C10, V100R006C00
Exploitation Mechanism
- Attackers can exploit the vulnerability by sending specific Resource Reservation Protocol (RSVP) packets to the affected products, causing a memory leak.
Mitigation and Prevention
To address CVE-2017-15349, users of Huawei CloudEngine switches should take immediate and long-term security measures.
Immediate Steps to Take
- Apply vendor-supplied patches or updates to mitigate the vulnerability.
- Implement network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly monitor network traffic for any unusual patterns that may indicate an ongoing attack.
- Keep systems up to date with the latest security patches and firmware releases.
Patching and Updates
- Huawei has likely released patches to address the vulnerability; ensure timely installation of these updates to secure the affected devices.